Name TOURMALINE SCHORL
Variety SCHORL
Origin Ratnapura (Sri lanka)
Hardness 7-7,5
Composition NaFe++3Al6(BO3)3 Si6O18(OH)4
Crystaline sys. TRIGONAL
Size   2,2x1,8x1,8 cm
Weight 12,2 g





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TOURMALINE SCHORL



VARIETY SCHORL